Racing toward the heliopause…

Now leaving...everythingThe most distant spacecraft from Earth, Voyager 1, just reached the latest milestone on its journey to leave the Solar System.

Approximately 17.4bn km (10.8bn miles) from home,Voyager 1 has detected a distinct change in the flow of particles that surround it. These particles emanate from the Sun and are no longer travelling outwards but are moving sideways.

It means Voyager must be very close to making the jump to interstellar space – the space between the stars…

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